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M41ST85WMH6 датащи(PDF) 33 Page - STMicroelectronics

номер детали M41ST85WMH6
подробное описание детали  3.0/3.3V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
PDF  41 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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M41ST85WMH6 датащи(HTML) 33 Page - STMicroelectronics

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M41ST85W
DC and AC parameters
33/41
Figure 20.
Power down/up mode AC waveforms
Table 13.
Power down/up AC characteristics
Symbol
Parameter(1)
1.
Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.7 to 3.6V (except where otherwise noted).
Min
Typ
Max
Unit
tF
(2)
2.
VPFD(max) to VPFD(min) fall time of less than tF may result in deselection/write protection not occurring until
200µs after VCC passes VPFD(min).
VPFD(max) to VPFD(min) VCC Fall Time
300
µs
tFB
(3)
3.
VPFD(min) to VSS fall time of less than tFB may cause corruption of RAM data.
VPFD(min) to VSS VCC Fall Time
10
µs
tPD
EX at VIH before Power Down
0
µs
tPFD
PFI to PFO Propagation Delay
15
25
µs
tR
VPFD(min) to VPFD(max) VCC Rise Time
10
µs
tRB
VSS to VPFD(min) VCC Rise Time
1
µs
trec
(4)
4.
Programmable (see Table 6 on page 28)
Power up Deselect Time
40
200
ms
AI03661
VCC
INPUTS
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tPD
tRB
tDR
VALID
VALID
(PER CONTROL INPUT)
RECOGNIZED
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
trec
RST
ECON
PFO



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